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8021
Study of a 1 eV GaNAsSb photovoltaic cell grown on a silicon substrate
Published 2014“…We report the performance of a 1 eV GaNAsSb photovoltaic cell grown on a Si substrate with a SiGe graded buffer grown using molecular beam epitaxy. For comparison, the performance of a similar 1 eV GaN0.018As0.897 Sb 0.085 photovoltaic cell grown on a GaAs substrate was also reported. …”
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Journal Article -
8022
Observation of the interactions of silver nanoparticles (AgNPs) mediated by acid in the aquatic matrices using in-situ liquid cell transmission electron microscopy
Published 2021“…Aggregates formed in this scenario were non spherical and irregular shaped and were stable under the electron beam irradiation. Individual AgNPs and smaller aggregates moved randomly and approached the larger aggregates before the aggregation process came to an end. …”
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Journal Article -
8023
Three dimensional acoustic tweezers with vortex streaming
Published 2021“…Acoustic tweezers based on single-beam focused acoustic vortices have attracted considerable attention due to their selective trapping capability, but have proven difficult to use for three-dimensional (3D) trapping without a complex transducer array and significant constraints on the trapped particle properties. …”
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Journal Article -
8024
Small-scale wind energy harvesting using piezoelectric materials
Published 2015“…A two degree-of-freedom galloping piezoelectric energy harvester (GPEH) is proposed which successfully enhances the output power in low wind speeds. A beam stiffener is employed as an electromechanical coupling magnifier, which is proved to be an easy but greatly effective efficiency enhancing method for energy harvesting from VIV, flutter as well as galloping. …”
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Thesis -
8025
Antenna-enhanced and polarization sensitive photoresponse in arrays of silicon P–i–N nanowires
Published 2013“…Quantitative characterization of these resonances was performed by spectral and polarization-resolved photocurrent measurements on gratings with N = 500, 200 and 100 nanowires, aided by electron beam-induced current measurements, and in excellent agreement with electromagnetic scattering theory. …”
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Journal Article -
8026
Thermal characterization of nanoscale material
Published 2009“…Thin gold layers were deposited on top of these samples through e-beam deposition process to enhance sample heat absorption during photothermal experiment. …”
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Final Year Project (FYP) -
8027
Prismatic, basal, and slip strengths of commercially pure Zr by micro-cantilever tests
Published 2015“…Single-crystal cantilevers ranging from 0.5 µm to 10 µm wide, oriented for single slip, were prepared using focused ion beam (FIB) machining and deflected using a nanoindenter. …”
Dataset -
8028
Culture of human pluripotent stem cells and neural networks in 3D using an optogenetic approach and a hydrogel model
Published 2016“…Expression of ChR2-YFP was found driven by both SYN1 and CaMKII promoter in the RGD-alginate bead system that cultured with Axol cells.</p>…”
Thesis -
8029
Single-Shot Quantitative Polarization Imaging of Complex Birefringent Structure Dynamics
Published 2024“…We propose polarized shearing interference microscopy (PSIM), a single-shot quantitative polarization imaging method, for extracting the retardance and orientation angle of the laser beam transmitting through optically anisotropic specimens with complex structures. …”
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Article -
8030
Photonic engineering technology for the development of terahertz quantum cascade lasers
Published 2020“…However, the applications of THz QCL require good output characteristics in terms of the emission spectrum, beam quality, power efficiency, and polarization control, which are beyond the reach of the electronic engineering techniques. …”
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Journal Article -
8031
Experimental and numerical study of self-locking adaptable inter connection for modular steel structures
Published 2023“…The results showed that reinforced joints sustained 80% of the limit of the rigid joint at an inter-story drift ratio of 0.04 radian and satisfied the condition for strong column weak beam joint mechanism. Non-linear Finite Element Analysis (FEA) was conducted on this adaptable connection with a parametric study to study more influences of other related parameters. …”
Article -
8032
Fabrication of gold nanotip arrays using anodic aluminium oxide (AAO) template
Published 2009“…They are usually fabricated by a combination of DRIE (Dry-Reactive-Ion-etching) and FIB (Focused-Ion-Beam) processes. However these processes require many fabrication steps, are high in cost and are limited in material choices. …”
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Final Year Project (FYP) -
8033
Effect of hydrogen peroxide sterilization on properties and degradation of poly (ε-caprolactone) and poly (L-lactide-co-ε-caprocaltone)
Published 2010“…There are several techniques available to sterilize biomedical devices such as autoclave, gamma and E-beam radiation. However, there are drawbacks in those techniques especially towards biodegradable polymers. …”
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Final Year Project (FYP) -
8034
Growth and characterization of III-V quantum dots on SI-based substrate
Published 2014“…Using the solid-source molecular beam epitaxy, a defect-free GaAs heteroepitaxy on Ge surface can be obtained by employing the low temperature migration enhanced epitaxy technique. …”
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Thesis -
8035
Modelling the electrical characteristics of SiNWs/organic solar cells
Published 2017“…Whereas, the test subject used in experiment is planar Si/MoOx heterojunction solar cell, which is fabricated by e-beam evaporation, with indium tin oxide as an antireflection coating at the top layer grown by radio frequency sputtering. …”
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Final Year Project (FYP) -
8036
Static elastic properties of composite materials containing microspheres
Published 2007“…Subsequently, we analyse the buckling criterion asymptotically in the limit as the thickness ratio tends to zero by analogy with the WKB analysis of a beam on a variable-stiffness substrate. To model the shell after buckling we consider the simplified case of an embedded shell with a crack around its equator. …”
Thesis -
8037
Synthesis and reactivity of electron-deficient phosphorus(III) compounds
Published 2017“…Transient formation of [1a]2+ and [1b]2+ is evidenced by activating C-F bonds of trifluorotoluene and [BArF4]- (ArF = (CF3)2-C6H3) anion. The replacement of carbodiphosphorane 1 with more nucleophilic and sterically less demanding carbodicarbene ligand {C6H4(MeN)2C}2C, 2 resulted in a series of P-dications [{C6H4(MeN)2C}2C.PR]2+ (R = NiPr2, Ph, OMe, tBu, Cl) whose spectroscopic and structural features are presented. …”
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Thesis -
8038
Development of superhydrophobic ceramic membrane decorated with flake-like structure by two-step synthesis for seawater desalination by membrane distillation
Published 2024“…It displayed contact angles (CAs) of 155.9° for water, 144° for water/ethanol, 129° for palm oil, and 112° for engine oil, with a liquid entry pressure (LEP) of 5.2 bar Furthermore, the membrane performance was tested in a direct contact membrane distillation (DCMD) at 70 °C using a solution that simulated real seawater conditions, including sodium chloride (NaCl) at 35 g/L, sodium sulfate (Na2SO4) at 1.2 g/L, sodium carbonate (Na2CO3) at 1 g/L, and humic acid at 8 mg/L. …”
Article -
8039
Modular Morphing Lattices for Large-Scale Underwater Continuum Robotic Structures
Published 2024“…The first is a morphing beam snake-like robot that can generate thrust at specific anguilliform swimming parameters. …”
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Article -
8040
Large-area atomic layers of the charge-density-wave conductor TiSe2
Published 2020“…However, the syntheses of monolayer and large-area 2D CDW conductors can currently only be achieved by molecular beam epitaxy under ultrahigh vacuum. This study reports the growth of monolayer crystals and up to 5 × 105 µm2 large films of the typical 2D CDW conductor-TiSe2 -by ambient-pressure chemical vapor deposition. …”
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Journal Article